Seasonal Affective Disorder in Children: Signs and How to Help

Written by the Lyte Psychiatry clinical team. Clinically reviewed by Ana G., LPC, and medically reviewed by Dr. Akinwande Akintola, MD, supervising physician. Last reviewed: November 4, 2026.

Seasonal affective disorder in children is a form of depression that returns at the same time each year, usually in fall and winter. Signs can include oversleeping, low energy, craving carbohydrates, irritability and pulling away from friends. It is less common in young children than in teens and adults, so persistent mood changes deserve a pediatrician’s evaluation.

This guide is for parents and caregivers who notice their child seems to change when the days get shorter, and for anyone wondering whether a winter slump is “just the blues.” It explains what SAD is, how it can look in children and teens, simple steps at home, and when to get help.

What is seasonal affective disorder?

Seasonal affective disorder (SAD) is a type of depression with a recurring seasonal pattern. The National Institute of Mental Health (NIMH) describes SAD as depression in which symptoms return at the same time each year and typically last about four to five months.

Most people with SAD have a winter pattern, with symptoms starting in late fall or early winter and easing in spring. A less common summer pattern also exists. MedlinePlus, from the National Library of Medicine, lists living farther from the equator, being younger and having a family history among the risk factors for SAD.

NIMH also describes a less common summer pattern, in which depressive episodes occur during the summer months. NIMH notes there are no treatments specific to summer-pattern SAD, so care focuses on treating depression in general.

Can children have seasonal affective disorder?

Children can have depression with a seasonal pattern, but seasonal affective disorder in children is less common than in older teens and adults. NIMH notes that, in most cases, SAD begins in young adulthood.

That matters for parents. A child who seems low every winter may have SAD, but they may also have year-round depression that worsens with less daylight, anxiety, a sleep problem, a medical condition or stress at school or home. The seasonal timing is a clue, not a diagnosis. The goal is to notice the pattern and share it with a professional.

Example (hypothetical): a ten-year-old who loves soccer starts sleeping through alarms in November, asks for snacks constantly, and says practice is “boring.” By March, they are back to their usual self. After the same thing happens the next winter, the parent writes down the pattern and shares it with the pediatrician.

What are the signs of seasonal depression in kids and teens?

Signs of seasonal depression in children and teens usually look like depression that arrives with the colder, darker months. NIMH lists oversleeping, overeating with a craving for carbohydrates, and social withdrawal as winter-pattern symptoms.

• Struggling to wake up, sleeping much longer or napping after school
• Craving sweets, bread or pasta and gaining weight
• Low energy and seeming “slowed down”
• Irritability, tantrums or a short temper
• Pulling away from friends or family activities
• Trouble concentrating and falling grades
• Losing interest in sports, hobbies or play
• Stomachaches or headaches without a clear cause

The Centers for Disease Control and Prevention (CDC) notes that depression in children can show up as irritability or anger, trouble sleeping and physical complaints, so a child may not say they feel sad at all. For other early signs, see early signs of untreated depression in children.

How is SAD different from the winter blues?

The winter blues are mild, brief and do not stop a child from functioning. SAD is a form of depression that affects daily life. The American Psychiatric Association (APA) notes that SAD is more than the winter blues and interferes with functioning.

NIMH explains that a diagnosis of SAD involves depressive episodes during a specific season for at least two consecutive years. That does not mean you should wait two winters to get help. Any child with depression symptoms most days for two weeks or more, or with symptoms that disrupt school and friendships, should be evaluated now.

Why does less daylight affect mood?

Less daylight can affect mood because light helps set the body clock that controls sleep, energy and hormones. The National Institute of General Medical Sciences (NIGMS) explains that light has the biggest influence on circadian rhythms and that the brain’s master clock controls melatonin based on the light the eyes receive.

In winter, children often wake in the dark, spend daylight hours indoors at school and then spend evenings under screens. That pattern can shift sleep and energy, which can feed into low mood for children who are vulnerable. For tips on adjusting to time changes, read winter blues after daylight saving time ends.

Step by step: how can parents help at home?

Parents can help by protecting light, sleep, movement and connection, while watching closely for changes. These steps are safe for most families and can be started right away.

1. Get morning light. Open blinds at breakfast and aim for time outdoors early in the day, such as walking to the bus.
2. Keep a steady sleep schedule. Similar bedtimes and wake times on school days and weekends help the body clock.
3. Move every day. Outdoor play, a family walk or an active game after school.
4. Plan winter fun. Put small, enjoyable activities on the calendar so the season has things to look forward to.
5. Keep meals regular. Offer balanced meals and snacks so energy does not crash.
6. Stay connected. Encourage time with friends, even short visits or calls.
7. Keep a simple log. Note sleep, mood, energy and school reports for a few weeks to share with a provider.

Teens may also need help with late-night screens and sleep; see a seven-night family plan for teen sleep.

What can you say to your child about winter moods?

Use simple, warm words that make feelings normal and keep the door open. Children often do not have language for what they feel.

• “Lots of people feel more tired and grumpy when it gets dark early. How has your energy been?”
• “I have noticed you are not playing soccer as much. What has changed?”
• “Your feelings make sense. We can try some things together to help.”
• “If you ever feel really sad or like nothing is fun, I want to know. You will not be in trouble.”

Teens may brush off direct questions, so side-by-side moments such as car rides or cooking together often work better than a sit-down talk. Keep your tone curious rather than worried, share what you have noticed without labeling it, and let them know you would rather hear hard news than have them handle it alone. If they would prefer to talk to another trusted adult, such as a coach or relative, that is still a win.

When should you get professional help?

Get professional help if your child’s mood or behavior changes last weeks, cause distress, or affect school, friendships, sleep or eating. NIMH suggests seeking help when behaviors last weeks or longer and cause distress, and recommends talking with your child’s teacher and pediatrician.

APA notes that SAD can be confused with other conditions, such as hypothyroidism or infections, so a medical check is part of a good evaluation. APA also advises talking with a physician before using a light box. Treatment for SAD may include talk therapy, light therapy or medication, and the right plan for a child depends on age and symptoms and should be made with a clinician.

How can school help?

Teachers see your child for many hours a day and often notice changes in energy, focus or friendships first. Ask whether they have seen anything different since fall. A school counselor can offer support during the day and help with short-term adjustments, such as extra time for work while your child is being evaluated.

Get help right away for talk of death, self-harm or hopelessness. NIMH lists warning signs such as talking about wanting to die, feeling hopeless or trapped, and withdrawing from others, and urges getting help as soon as possible. Call or text 988, or call 911 for immediate danger.

Is seasonal affective disorder in children common in Texas?

Seasonal affective disorder is less common in Texas than in northern states, but it still occurs. NIMH notes that people in Alaska or New England are more likely to develop SAD than people in Texas or Florida, because winter days are shorter farther north.

Texas winters can still bring early darkness and more time indoors, especially after the clocks change. Texas Health and Human Services lists 24/7 crisis lines run by local mental health authorities by county (read October 2026) for families who need urgent support.

Getting support in Texas

Lyte Psychiatry offers therapy, psychiatric evaluation and medication management in Texas. In-person visits are available at Lyte Psychiatry’s clinic in Pantego, in the Dallas–Fort Worth area. Lyte Psychiatry offers telehealth visits to patients who are physically located in Texas at the time of the visit. All Lyte Psychiatry services are available in Spanish.

The age range Lyte Psychiatry serves requires confirmation, as do availability, insurance and clinician fit. Learn about depression care, read a two-week plan for seasonal depression, or contact the practice to ask whether it can help your child.

If you are in a mental-health crisis in the United States, call or text 988. Call 911 for immediate danger.

Educational information, not a diagnosis or individual treatment plan.